MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
nominal species Tichogonia (Congeria) eocenica Oppenheim, 1891
Tichogonia (Congeria) eocenica Oppenheim, 1891 = nomen dubium
Oppenheim, 1891. unknown publication: ??.
Taxonomic Opinions
= Mytilopsis eocenica (Oppenheim, 1891) — Nuttall, 1990: 718, pl. 2, figs. 16-18.
